go to your system options, that will give you many options choose storage, which is the third one down... go over your harddrives (if you have 1 only clear once) and y will allow you to clear the cashe

go to your system options, that will give you many options choose storage, which is the third one down... go over your harddrives (if you have 1 only clear once) and y will allow you to clear the cashe